Patent US1692874A successfully refreshed from Google Patents.
US508133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edward e
Assignee: —
•
Filing: —
•
Granted: 1893-11-07
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Expires: 1910-11-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:09
CPC Classifications
F; F17; F17C; F17C13/00; F17C13/04; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/7812; Y10T137/7818; Y10T137/7819
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1896-11-06 | 1897-05-08 | 1897-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1900-11-07 | 1901-05-09 | 1901-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1904-11-07 | 1905-05-09 | 1905-11-08 | $7700.00 | Window Closed / Lapsed |